43211402426 has 4 divisors (see below), whose sum is σ = 64817103642. Its totient is φ = 21605701212.

The previous prime is 43211402407. The next prime is 43211402431. The reversal of 43211402426 is 62420411234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40080440401 + 3130962025 = 200201^2 + 55955^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10802850605 + ... + 10802850608.

Almost surely, 2^43211402426 is an apocalyptic number.

43211402426 is a deficient number, since it is larger than the sum of its proper divisors (21605701216).

43211402426 is a wasteful number, since it uses less digits than its factorization.

43211402426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605701215.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 43211402426 in words is "forty-three billion, two hundred eleven million, four hundred two thousand, four hundred twenty-six".